The ARES ETR GEN2J tactical rifle scope delivers exceptional precision with 4.5-30X magnification and a large 56mm objective lens for superior light gathering and target acquisition.ARES ETR GEN2J 4.5-30X56 Rifle Scope34mm tube diameter for enhanced durability and adjustment rangeAPRS12 IR MIL reticle with illumination capabilitySide parallax adjustment for precision shootingField of view: 24.7-3.7 feet at 100 yardsWeight: 36.8 ounces Length: 15.3 inchesBlack matte finish for tactical applicationsEngineered for long-range precision shooting tactical applications and competitive shooting where accuracy and reliability are paramount.